form{
    border: 1px solid;
    width: 1100px;
    height: 600px;
    margin: 0 auto;
    margin-top: 80px;
    background-color: rgb(248, 248, 248);
}

h2{
    margin-left: 470px;
    margin-top: 50px;
}

#top{
    margin-left: 390px;
}

#tbData{
    border: solid 1px;
    border-collapse: collapse;
    margin-left: 80px;
    margin-top: 3px;
}

td{
    border: solid 1px;
}

tr:nth-child(even){
    background-color: rgb(232, 236, 236);
}

#keyword{
    margin-right: 145px;
    width: 400px;
}

.edit{
    background-color: grey;
}

.del{
    background-color: red;
}